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Finding the Fourth Proportional to 95,194.85, 142,745.63 and 39,019.68

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Solution

The fourth proportional to 95,194.85, 142,745.63 and 39,019.68 is: 58,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,194.85 : 142,745.63 = 39,019.68 : x
  2. Step 2: Convert to fraction form
    95,194.85/142,745.63 = 39,019.68/x
  3. Step 3: Cross multiply
    95,194.85x = 142,745.63 × 39,019.68
  4. Step 4: Simplify right side
    95,194.85x = 5,569,888,949.71
  5. Step 5: Solve for x
    x = 5,569,888,949.71/95,194.85
  6. Step 6: Final answer
    x = 58,510.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.